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#ifndef CYGONCE_HAL_HAL_DIAG_H
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#define CYGONCE_HAL_HAL_DIAG_H
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//=============================================================================
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//
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// hal_diag.h
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//
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// HAL Support for Kernel Diagnostic Routines
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//
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//=============================================================================
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// ####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later
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// version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with eCos; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// As a special exception, if other files instantiate templates or use
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// macros or inline functions from this file, or you compile this file
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// and link it with other works to produce a work based on this file,
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// this file does not by itself cause the resulting work to be covered by
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// the GNU General Public License. However the source code for this file
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// must still be made available in accordance with section (3) of the GNU
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// General Public License v2.
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//
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// This exception does not invalidate any other reasons why a work based
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// on this file might be covered by the GNU General Public License.
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// -------------------------------------------
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// ####ECOSGPLCOPYRIGHTEND####
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//=============================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): nickg
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// Contributors:nickg
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// Date: 1998-03-02
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// Purpose: HAL Support for Kernel Diagnostic Routines
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// Description: Diagnostic routines for use during kernel development.
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// Usage: #include <cyg/hal/hal_diag.h>
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//
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//####DESCRIPTIONEND####
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//
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//=============================================================================
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#include <pkgconf/hal.h>
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#include <cyg/infra/cyg_type.h>
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#ifndef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
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// These should not need to be prototyped here, but where????
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cyg_uint8
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cyg_hal_plf_serial_getc(void);
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#if 1
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void
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cyg_hal_plf_serial_putc(cyg_uint8 ch);
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#else
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void
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cyg_hal_plf_serial_putc(void* __ch_data, cyg_uint8 ch);
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#endif
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#if 1
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void
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cyg_hal_plf_serial_init(void);
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#else
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void
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cyg_hal_plf_serial_init_channel(void);
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#endif
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#endif //#ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
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#define LATER
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#ifdef LATER
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// See the #else clause at the end
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#if defined(CYGSEM_HAL_VIRTUAL_VECTOR_DIAG)
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#include <cyg/hal/hal_if.h>
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#define HAL_DIAG_INIT() hal_if_diag_init()
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#define HAL_DIAG_WRITE_CHAR(_c_) hal_if_diag_write_char(_c_)
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#define HAL_DIAG_READ_CHAR(_c_) hal_if_diag_read_char(&_c_)
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#else // everything by steam
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//-----------------------------------------------------------------------------
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// functions implemented in hal_diag.c
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externC void hal_diag_init(void);
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externC void hal_diag_write_char(char c);
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externC void hal_diag_read_char(char *c);
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//-----------------------------------------------------------------------------
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#define HAL_DIAG_INIT() hal_diag_init()
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#define HAL_DIAG_WRITE_CHAR(_c_) hal_diag_write_char(_c_)
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#define HAL_DIAG_READ_CHAR(_c_) hal_diag_read_char(&_c_)
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#endif // CYGSEM_HAL_VIRTUAL_VECTOR_DIAG
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//-----------------------------------------------------------------------------
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// end of hal_diag.h
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#else
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// Need to figure out what to do here at some point, for now, I just copied
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// these from the simulator hal_diag.h
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//-----------------------------------------------------------------------------
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// Register addresses
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#define PAL_RESET 0x00
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#define PAL_CPU_NR 0x04
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#define PAL_INT 0x08
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#define PAL_NR_CPU 0x0a
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#define PAL_READ_FIFO 0x10
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#define PAL_READ_STATUS 0x14
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#define PAL_WRITE_FIFO 0x18
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#define PAL_WRITE_STATUS 0x1a
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#define OEA_DEV 0xf0001000
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//-----------------------------------------------------------------------------
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#define HAL_DIAG_INIT()
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// Added by WPD
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#ifndef HAL_DISABLE_INTERRUPTS
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#define HAL_DISABLE_INTERRUPTS
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#define HAL_RESTORE_INTERRUPTS
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#endif
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#define HAL_DIAG_WRITE_CHAR(_c_) \
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CYG_MACRO_START \
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volatile unsigned char *tty_buffer = \
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(unsigned char*)(OEA_DEV + PAL_WRITE_FIFO); \
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volatile unsigned char *tty_status = \
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(unsigned char*)(OEA_DEV + PAL_WRITE_STATUS); \
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unsigned long __state; \
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\
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HAL_DISABLE_INTERRUPTS(__state); \
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if( _c_ != '\r' ) \
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{ \
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while( *tty_status == 0 ) continue; \
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*tty_buffer = _c_; \
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} \
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HAL_RESTORE_INTERRUPTS(__state); \
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CYG_MACRO_END
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#define HAL_DIAG_READ_CHAR(_c_) \
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CYG_MACRO_START \
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volatile unsigned char *tty_buffer = \
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(unsigned char*)(OEA_DEV + PAL_READ_FIFO); \
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volatile unsigned char *tty_status = \
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(unsigned char*)(OEA_DEV + PAL_READ_STATUS); \
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while( *tty_status == 0 ) continue; \
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_c_ = *tty_buffer; \
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CYG_MACRO_END
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#endif // LATER
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#endif // CYGONCE_HAL_HAL_DIAG_H
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